Journal of Psychopharmacology
August 29, 2026
Marlene L. Tai, B. Szigeti, Amanda E. Downey et al.
BACKGROUND Psilocybin, a serotonergic psychedelic found in hallucinogenic mushrooms, is metabolized to psilocin, the compound responsible for its psychoactive effects. Psilocybin has demonstrated therapeutic potential for neuropsychiatric conditions. While recent trials have primarily used orally administered synthetic psilocybin, alternative formulations and delivery methods may offer...
Current Psychiatry Reports
May 14, 2026
Jamarie Geller, Rachel M Pacilio, Amanda E. Downey et al.
There is growing evidence that psychedelics and associated treatment modalities may offer therapeutic benefits across a range of psychiatric conditions. Anorexia nervosa (AN), a serious and often treatment-resistant illness associated with significant morbidity and mortality, is one such condition for which psilocybin-assisted therapy (PAT) may hold promise. To date, research on PAT for AN has...
Child and Adolescent Psychiatry and Mental Health
June 4, 2025
Sarah Forsberg, Amanda E. Downey, Lindsey D Bruett et al.
5 citations
Psychedelic-assisted therapy (PAT) is gaining recognition as a promising intervention for treatment-refractory mental health conditions in adults. While interest in its applications for adolescents is growing, critical gaps remain in understanding safe and effective delivery of PAT to this vulnerable population, including implications for caregiver/family (used interchangeably) involvement in...
Psychiatry Research
March 1, 2025
Stephanie L. Haft, Amanda E. Downey, Marissa Raymond-Flesch et al.
22 citations
A lack of diverse and representative participant samples in mental health intervention research perpetuates mental health disparities. This issue has become a salient concern in studies of psychedelic-assisted psychotherapy (PAT), which is emerging as a promising mental health intervention. This systematic review evaluates the reporting, representation, and analysis of participant...
FOCUS The Journal of Lifelong Learning in Psychiatry
July 1, 2024
Sasha Gorrell, Amanda E. Downey
3 citations
Unlike psychopharmacologic interventions for other psychiatric conditions, few medications have emerged as helpful in improving eating disorder cognitions and evidence-based psychotherapies fail many patients. Novel treatments are urgently needed to address anorexia nervosa (AN), which is increasingly prevalent and difficult to treat. This article provides an overview of preliminary...
Journal of Eating Disorders
April 24, 2024
Amanda E. Downey, Anita V. Chaphekar, Joshua Woolley et al.
13 citations
Clinical trials using psilocybin therapy to treat anorexia nervosa (AN) are currently underway. The safety and tolerability of psilocybin is of utmost importance in individuals with AN who may present unique medical vulnerabilities. The purpose of this review is to describe how the common physiologic adverse effects of psilocybin may impact medical complications experienced by individuals with...
Psychedelic Medicine
February 28, 2024
Joshua Woolley, Amanda E. Downey, Ellen Bradley et al.
2 citations
Balancing the need for effective treatments against the potential for serious adverse events in those undergoing psilocybin therapy with a family history of BD, we argue for caution in psychedelic clinical trials but not outright exclusion of these individuals. Our risk stratification tool allows for more nuanced inclusion and exclusion criteria.
International Journal of Eating Disorders
August 8, 2023
Maxine Boyd, Joshua Woolley, Amanda E. Downey et al.
7 citations
Abstract Objective This study invited providers who care for patients with eating disorders to inform engagement, communication, and collaboration with psilocybin‐assisted psychotherapy interventions. Method Medical and mental health providers who treat patients with eating disorders were recruited via professional referral networks and participant driven sampling from across California to...
Amanda E. Downey, Ellen Bradley, Daniel Dickison et al.
preprint
Psychedelic-assisted psychotherapy is generating substantial clinical interest, yet despite growing economic scrutiny, a practical question has received surprisingly little attention: how do specific delivery decisions drive cost? Labor costs—typically the dominant cost component of psychedelic therapy delivery—depend on a tangle of interacting design choices: the number, length, and staffing...